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Wikidata: a free collaborative knowledgebase
This collaboratively edited knowledgebase provides a common source of data for Wikipedia, and everyone else, to help improve the quality of the encyclopedia.
OWL 2 Web Ontology Language Primer (Second Edition)
The OWL 2 Document Overview describes the overall state of OWL 1, and should be read before other OWL2 documents.
Foundations of Semantic Web Technologies
This book concentrates on Semantic Web technologies standardized by the World Wide Web Consortium: RDF and SPARQL enable data exchange and querying, RDFS and OWL provide expressive ontology modeling, and RIF supports rule-based modeling.
This work provides an extension to be integrated in Wikipedia, that allows even casual users the typing of links between articles and the specification of typed data inside the articles, and gives direct access to the formalised knowledge.
Introducing Wikidata to the Linked Data Web
- Fredo Erxleben, Michael Günther, M. Krötzsch, Julian Alfredo Mendez, Denny Vrandečić
- Computer ScienceSEMWEB
- 19 October 2014
New RDF exports that connect Wikidata to the Linked Data Web are introduced and several partial exports are introduced that provide more selective or simplified views on the data.
- M. Krötzsch, Denny Vrandečić
- Computer ScienceFoundations for the Web of Information and…
- 5 November 2006
The software is already used on a number of productive installations world-wide, but the main target remains to establish “Semantic Wikipedia” as an early adopter of semantic technologies on the web.
A Description Logic Primer
The main concepts and features are explained with examples before syn- tax and semantics of the DLSROIQ are defined in detail.
Concurrent Classification of EL Ontologies
An optimised consequence-based procedure for classification of ontologies expressed in a polynomial fragment of the OWL 2 EL profile based on a variant of the ‘given clause’ saturation algorithm for first-order theorem proving is described.
The two cultures: mashing up web 2.0 and the semantic web
This paper outlines a semantic weblogs scenario that illustrates the potential for combining Web 2.0 and Semantic Web technologies, while highlighting the unresolved issues that impede its realization.
- Max Völkel, M. Krötzsch, Denny Vrandečić, H. Haller, R. Studer
- Computer ScienceWWW '06
- 1 December 2007
This paper provides an extension to be integrated in Wikipedia, that allows the typing of links between articles and the specification of typed data inside the articles in an easy-to-use manner, and presents the design, implementation, and possible uses of this extension.